STUDY OF THE ROLE OF BLOOD-SUCKING INSECTS IN THE SPREAD OF ARBOVIRUS INFECTIONS OF FARM ANIMALS IN THE SOUTHERN REGIONS OF THE REPUBLIC OF KAZAKHSTAN

Maxat Berdikulov, Gulzhan Mussayeva, Kydyrbay Maikhin, S. K. Samarkhanov, Koigeldinova B. A, Van B, AspanTauLTD, Gulaysha Turganbaeva, Raikhan K. Nissanova

2025

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DOI 10.52578/2305-9397-2025-2-2-155-163
Data confidence 70 medium
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Abstract

To study the role of blood-sucking insects in the spread of arbovirus infections of farm animals in the southern regions of the Republic of Kazakhstan, 3281 samples of 9 species of adult ticks of the family Ixodidae and ticks of the family Argasidae: Alveonasus lahorensis, Argas persicus, collected from farm animals and their holding places were examined in 2024. As a result of monitoring studies, 382 (11.7%) ticks from Zhambyl oblast, 2690 (81.9%) ticks from Turkestan oblast, 209 (6.4%) ticks from Kyzylorda oblast were collected. All tick samples were analyzed for the presence of CCHL RNA by OT-PCR. According to the results of the conducted research by PCR method, RNA of CCHL virus was detected in 4 samples of ticks of Ixodidae family: Dermacentor marginatus (13.9%), from Kazybek village, Maktaral district, Dermacentor pictus (21.05%), from Dostyk village, Shardara district, Shardara region, and Dermacentor pictus (21.05%), from Dostyk village, Shardara region. Dostyk village, Shardara district, Hyalomma anatolicum (14.5%) from Bayyr village, Arys district, Hyalomma scupense (4.56%) from Tegishil village, Baidibek district, Turkestan oblast.Infection of Dermacentor pictus tick with CCHL virus was detected for the first time in Kazakhstan.